package IO操作;

import java.io.FileInputStream;
import java.io.IOException;

public class FisDemo {
    public static void main(String[] args) throws IOException {
        FileInputStream in =new FileInputStream("fos.txt");

        int d=in.read();
        System.out.println(d);
        d=in.read();
        System.out.println(d);
        d=in.read();
        System.out.println(d);
        in.close();


    }
}
